An abnormal apprehension about being in airplanes or the abhorrence of throwing up because of airsickness: People who have aeronausiphobia are really afraid that they might vomit, or see others regurgitating, and they may also be very nervous about being nauseated themselves because of flying or of seeing others who are afflicted with the illness.

Someone who has aeronausiphobia is absolutely fearful about the possibility of the plane flying through turbulent air as it rises and drops abruptly which would cause him or her to be overwhelmed and to throw up.